Actually, at some point in the books they talk about this, and somebody comments how Muggles seldom would actually catch a real witch or wizard. And if they did, the witch or wizard would cast a spell to shield themselves from the fire and pretend to be in pain.
I’m not much of a harry potter fan but wasn’t that the whole point of being in hiding
They were being killed by muggles left and right, and this was way before the invention of guns, so, yeah, they weren’t winning that war in any case.
Actually, at some point in the books they talk about this, and somebody comments how Muggles seldom would actually catch a real witch or wizard. And if they did, the witch or wizard would cast a spell to shield themselves from the fire and pretend to be in pain.